Knowing whether to keep your crawl space vents open or closed at particular times of year will transform the moisture levels in your home. But get it wrong, and it could lead to wider structural ...

There are two crawl space vents on opposite sides. I am getting mixed signals from contractors, plumbers, HVAC people and others as to whether the vents should be kept open or closed in the winter.

Other studies, though, have found that leaving crawl space vents open has serious energy ... Move the insulation barrier to the underside of the roof deck with an insulation product that is ...

Q-We have a crawl space under our house that we use for occasional storage. A number of vents were installed that go through the foundation to allow cross ventilation in this crawl space.

Q. Our house is built over a shallow crawl space with vents. The space has a dirt floor and the ground is damp. There are no ducts or pipes in the space. Can we close the vents in winter?

The house may have a subterranean river under it because the mud in the crawl space is moist in the winter. There are three bedrooms and one bathroom. There are a total of 20 vents: four with ...

Q: You have often said that crawl-space vents need to be opened in the winter. Why is that? I always thought they should be closed to keep my water pipes from freezing. A. I used to think the same ...